Robin Williams, Whoopi Goldberg, William Shatner and Blake Shelton, are among those joining Kelly Clarkson for her upcoming holiday special Kelly Clarkson's Cautionary Christmas Music Tale, NBC announced Wednesday.Clarkson's special will celebrate the season with a comedic musical take on ...

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Robin Williams, Whoopi Goldberg, William Shatner and Blake Shelton, are among those joining Kelly Clarkson for her upcoming holiday special Kelly Clarkson's Cautionary Christmas Music Tale, NBC announced Wednesday.

Clarkson's special will celebrate the season with a comedic musical take on the traditional Christmas morality tale, and will feature songs off her just-released Christmas album, Wrapped in Red.

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Clarkson, who just announced she is expecting her first child, served as a guest mentor for Shelton's team on The Voice in Season 2. She also guest-starred opposite Williams on The Crazy Ones earlier this fall.